Volume 25, Issue 1, March 2006, Pages 1-12
10.30492/ijcce.2006.7792
Mohammad Taghi Taghizadeh; Abbas Mehrdad
Volume 15, Issue 1, June 1996, Pages 8-10
10.30492/ijcce.1996.10132
Nasser Iranpoor; Peyman Slalehi